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Rainbow Optical Glass Reflecting Triple Prism Physics Teaching Light Spectrum Color Prism 50*30*30*30mm
Specifications:
- Shape: triangle
- Origin: CN(Origin)
- Surface: --
- Model Number: GJ3594-02B
- Material: K9 glass
- Brand Name: xinxiang
- Free shipping
- 100 days returns
- Low prices
- 5 million products